Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5451703 | Process for the preparation of biaryls | Thomas Schach, Theodor Papenfuhs | 1995-09-19 |
| 5292967 | Process for producing 2,3-difluoro-6-nitrophenol | Theodor Papenfuhs, Ralf Pfirmann | 1994-03-08 |
| 5264633 | Process for the preparation of 1,4-bis(4-hydroxybenzoyl)benzene | Theodor Papenfuhs, Arnold Schneller | 1993-11-23 |
| 5250738 | Process for the preparation of 1,4-bis(4-hydroxybenzoyl)-benzene | Theodor Papenfuhs | 1993-10-05 |
| 4968845 | Process for the preparation of halogen-containing aromatic compounds | Theodor Papenfuhs, Klaus Warning, Gunter Siegemund | 1990-11-06 |